Fixing A Parity Group - HP StorageWorks P9000 User Manual

5. In the navigation tree, double-click the HDD class in which you would like to reserve a volume.
The HDD class folder expands and parity groups in that HDD class can be viewed.
6. In the expanded HDD class folder, select a low-usage parity group.
The volumes contained in the selected parity group load in the
7. In the "Parity Group list" (page
as a target volume candidate, and then select Reserved LDEV from the pop-up menu.
8. Click Apply to reserve the volume.
An icon should appear adjacent to the volume.
To change a reserved volume to a normal volume, right-click a reserved volume icon
select Normal LDEV from the pop-up menu.

Fixing a parity group

If you specify a parity group as fixed, the parity group will not experience degraded I/O speeds
as auto migration will not be possible to or from this parity group.
NOTE: A volume in a fixed parity group can be selected as a target or source volume for a
manual migration plan.
Procedure 8 To fix a parity group
1. Click Actions Other Function Auto LUN to open the Auto LUN window.
2. Click
3. In the Auto LUN window, click Auto LUN. A different window appears.
4. Click the Attribute tab to display the
5. In the navigation tree, double-click an HDD class folder to view parity groups.
6. Fixed parity groups are indicated with a
that you want to exclude from auto migration operations.
7. Right-click the parity group and select Fixed PG from the pop-up menu.
8. Click Apply.
59), right-click a volume with the
to change to Modify mode.
"Attribute window" (page
icon, so select a parity group without this icon
"Parity Group list" (page
icon to reserve that volume
and then
57).
Fixing a parity group
59).
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